... and black, engraving fonts 3,ROHS products Product name Aluminum cap/cover Materials Available1. Stainless Steel: SS201, SS303, SS304, ... , Al60637.OEM according to your requestProducts Availablebolts, screws, nuts, rivets, stem nuts, shafts(axles, spline shafts, dart shafts),gears ... low price .Mainly processing and manufacturing various kinds of metal parts and screw, nut, rivet of national standard ...